Dangeresque roomisode could be in cool floppy disk with mini replicas of all the items you use in dangeresque roomisode.
They could also release trinkets for the games in atari such as a mini rhino and a small sample of edible rhino food that you feed the rhino. 50K could come with action figures of the racers.Etc
Stinkoman level 10 included and super king bros +homestar rpg could be released as a bundle game. With the $90 deluxe version have a special features cartridge and action figures.
Pigs on head could be released on the game watch.